From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.12]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7D071199FAB; Tue, 18 Nov 2025 05:06:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.12 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763442372; cv=none; b=pSuURTOEqHYg2W/n3AxRP/DicssEXjg8eo8vUMxh2KxfZTiwkqqr4wdqVFW7H6YSLNHaBKEARxlo7d83uf/N7JgFCMPbc7Ug2ZAbI7TkY7un65JXcasv2740Pz66jJJ3pmb0XFhKSR4qc16dvQ9o6Uy5Kss4dDj6/3C8UXnorik= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763442372; c=relaxed/simple; bh=E2/GPLD9LHCJFZXvMhhFzt8//OzHpaDK2dnAn8M667U=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=UWbu4DmsWULwua5aivjIalFHCwMZMXyt859/66g/IvNR2r0vg/G1EpwgeIPKQOGyMsRJeCgPKjU/khVbmVP7rFj9/WgmUJbJYA2dxXGm5KvGU3B9AAFyMsyZQLst1HW5YEBS1bzzr606A3f6aMKkxsyl2pDTniv2NtTgrbtW1rI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=pass smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=FlesX1Gf; arc=none smtp.client-ip=192.198.163.12 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="FlesX1Gf" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1763442371; x=1794978371; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=E2/GPLD9LHCJFZXvMhhFzt8//OzHpaDK2dnAn8M667U=; b=FlesX1Gf7RxBaoT6OpUbRP5wAWTZUkGS2QpVwxTptlvYhMFQnKNssXfk 5lF5U7hLNdoN7GRKlKIAuyu7JqGI+RNQKVjcbLIulkrDbf90CFLuNmh0k Vxv7OvJIjM6yBTrBsAO+wEhMdF2yD/jfrDn7u5v0zmuRwLcs+xwh0SPao nVFL+TgzEVfeuyzKEt8OX/63uH2iYxTjSH86uj+Oq49jt4Dit/WnEeqWV km9orCQvke9eGE2nwXKCmAeIIXwvNfCYqgHFI3SHOU4D9tkfYn28o37qC CrnNhJauk6w5caaPQTStpFEKlBYHAROlkkVmxO//AnRKOheHYNxGWD1du w==; X-CSE-ConnectionGUID: OQzzHh0VSB+DKfzQYFNNKw== X-CSE-MsgGUID: zcR/tvHfSxCJTokGPMtNDw== X-IronPort-AV: E=McAfee;i="6800,10657,11616"; a="69322782" X-IronPort-AV: E=Sophos;i="6.19,313,1754982000"; d="scan'208";a="69322782" Received: from orviesa006.jf.intel.com ([10.64.159.146]) by fmvoesa106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Nov 2025 21:06:09 -0800 X-CSE-ConnectionGUID: TUIvc8e2Qd+ynF26oQC03Q== X-CSE-MsgGUID: QVjn7dujROOjPsWelWPHUQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,313,1754982000"; d="scan'208";a="189916436" Received: from ranerica-svr.sc.intel.com ([172.25.110.23]) by orviesa006.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Nov 2025 21:06:08 -0800 Date: Mon, 17 Nov 2025 21:13:12 -0800 From: Ricardo Neri To: x86@kernel.org, Krzysztof Kozlowski , Conor Dooley , Rob Herring , "K. Y. Srinivasan" , Haiyang Zhang , Wei Liu , Dexuan Cui , Michael Kelley , "Rafael J. Wysocki" Cc: Saurabh Sengar , Chris Oo , "Kirill A. Shutemov" , linux-hyperv@vger.kernel.org, devicetree@vger.kernel.org, linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, Ricardo Neri , "Rafael J. Wysocki (Intel)" , Yunhong Jiang , Thomas Gleixner Subject: Re: [PATCH v7 0/9] x86/hyperv/hv_vtl: Use a wakeup mailbox to boot secondary CPUs Message-ID: <20251118051312.GA20802@ranerica-svr.sc.intel.com> References: <20251117-rneri-wakeup-mailbox-v7-0-4a8b82ab7c2c@linux.intel.com> Precedence: bulk X-Mailing-List: linux-hyperv@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20251117-rneri-wakeup-mailbox-v7-0-4a8b82ab7c2c@linux.intel.com> User-Agent: Mutt/1.9.4 (2018-02-28) On Mon, Nov 17, 2025 at 09:02:46AM -0800, Ricardo Neri wrote: > Hi, > > Many thanks to Boris, Rafael, Rob, and Dexuan for their valuable feedback! > The main change in this version is the removal of the patch that moved the > ACPI mailbox code from the x86 ACPI subsystem to a generic location. Users > with DeviceTree-based firmware who wish use the ACPI wakeup mailbox need to > select CONFIG_ACPI=y. Also, this patchset uncovered, IMHO, missing definitions in arch/x86/asm/ topology.h. I posted a patch for that effect here: https://lore.kernel.org/all/20251117-rneri-topology-cpuinfo-bug-v1-1-a905bb5f91e2@linux.intel.com/ I can repost this patchset along with the patch above if it makes things easier. BR, Ricardo